CN112838713A

CN112838713A - Motor shaft system protection device for high-speed flywheel system

Info

Publication number: CN112838713A
Application number: CN201911154723.6A
Authority: CN
Inventors: 陈一; 罗学明; 梁洁
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2021-05-25

Abstract

The utility model provides a high-speed for flywheel system motor shaft system protection device, relates to energy storage and aviation and uses high-speed flywheel system technical field, including the container, the middle part swing joint of container has the flywheel, the middle part swing joint of container have with flywheel fixed connection's pivot. This high-speed motor shaft system protection device for flywheel system, cooperation through rubber ring and turbid liquid is used, under the initial condition, the piston piece is close to the outside, at this moment, the inboard of rubber ring does not contact with the pivot, no friction, when the pivot breaks down, when speed reduces, the piston piece can move to the inboard under the effect of magnetic path and electromagnetism generating device, crowd the inboard with turbid liquid, make rubber ring inflation and contact with the pivot, it leads the circular telegram to lead electrical pillar simultaneously, make turbid liquid become solid-state, make the pivot slow down and guarantee not harm other static parts, thereby the effect of protection pivot has been reached, the security has been improved, it can the maintenance use subsequently to have guaranteed the flywheel.

Description

Motor shaft system protection device for high-speed flywheel system

Technical Field

The invention relates to the technical field of high-speed flywheel systems for energy storage and aviation, in particular to a motor shaft system protection device for a high-speed flywheel system.

Background

The flywheel energy storage is an energy storage mode that a motor is used for driving a flywheel to rotate at a high speed, and the flywheel is used for driving a generator to generate electricity when needed.

When the existing flywheel system is used, a rotating shaft can often break down, flywheel energy storage can break down, and when the rotating shaft breaks down, certain position deviation can occur, other static parts are damaged, other parts can not be recycled, and resource waste is caused.

Therefore, the motor shaft system protection device for the high-speed flywheel system is provided for solving the problems, the effect of protecting the rotating shaft is achieved by matching the rubber ring and the turbid liquid, the safety is improved, the follow-up maintenance and use of the flywheel through the matching of the movable block and the second conductive post are guaranteed, the effect of safety control is achieved, the phenomenon that the second rotating shaft breaks down is utilized for controlling a series of transmissions, and therefore the rotating shaft is protected, and the rotating shaft is decelerated until the rotating shaft is completely stopped.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: a motor shaft system protection device for a high-speed flywheel system comprises a container, wherein a flywheel is movably connected to the middle of the container, a rotating shaft fixedly connected with the flywheel is movably connected to the middle of the container, electromagnetic devices are fixedly connected to the inner walls of two sides of the container, a rubber ring is fixedly connected to the middle of the container and the bottom, close to the flywheel, of the container, a piston block is movably connected to the middle of the rubber ring, a magnetic block is fixedly connected to the middle of the piston block, suspension is filled in the inner side of the rubber ring, a first conductive post is fixedly connected to the bottom of the rubber ring, and a bearing rotatably connected with the bottom of the container is rotatably connected to;

the inboard fixedly connected with of pivot two the electric conduction posts two of symmetry of each other, the inboard fixedly connected with spring of pivot, the outside fixedly connected with movable block of spring, the middle part fixedly connected with magnetic ring one of movable block, the equal swing joint in both sides of movable block has the pulley, the movable groove with movable block looks adaptation is seted up to the inner wall of pivot, the inner wall of pivot just is close to the outside fixedly connected with magnetic ring two in movable groove.

The invention has the following beneficial effects:

1. this high-speed motor shaft system protection device for flywheel system, cooperation through rubber ring and turbid liquid is used, under the initial condition, the piston piece is close to the outside, at this moment, the inboard of rubber ring does not contact with the pivot, no friction, when the pivot breaks down, when speed reduces, the piston piece can move to the inboard under the effect of magnetic path and electromagnetism generating device, crowd the inboard with turbid liquid, make rubber ring inflation and contact with the pivot, it leads the circular telegram to lead electrical pillar simultaneously, make turbid liquid become solid-state, make the pivot slow down and guarantee not harm other static parts, thereby the effect of protection pivot has been reached, the security has been improved, it can the maintenance use subsequently to have guaranteed the flywheel.

2. This high-speed motor shaft protection device for flywheel system, use through the cooperation of movable block and leading electrical pillar two, the pivot slows down the back, the centrifugal force that the movable block received reduces, and the movable block moves towards the inboard under the effect of spring, make movable block and lead electrical connection of electrical pillar two, let electricity electromagnetic device circular telegram, make the turbid liquid take place to remove and make the rubber ring inflation, thereby reached safety control's effect, utilize the pivot two phenomena that take place of trouble to control a series of transmissions, thereby the protection pivot, make the pivot slow down until stopping completely.

Furthermore, the container is a vacuum container and made of alloy materials, the flywheel is made of carbon fiber materials and light in weight, the rotating shaft is made of steel alloy materials and the friction coefficient of the outer surface of the rotating shaft is low.

Further, the magnetism of the inner side of the electric magnetism generating device is the same as that of the outer side of the magnetic block, the number of the electric magnetism generating devices is four, the rubber ring is made of rubber materials, and the rubber ring is in a shape of a cuboid ring.

Further, the piston block is made of hard insulating materials, the piston block is cuboid, the number of the four magnetic blocks is four, and the magnetic blocks are made of rubidium magnets.

Furthermore, the first conductive column and the electromagnetic generating device are electrically connected with the movable block, the outer side of the second conductive column is fixedly connected with an electric contact, and the material of the conductive column is a hard insulating material.

Furthermore, the movable blocks are made of hard insulating materials, the number of the movable blocks is two, and the first magnetic ring and the second magnetic ring act together to form a magnetic suspension principle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a schematic view of a rotating shaft structure according to the present invention;

FIG. 4 is a schematic view of the spring compression configuration of the present invention;

fig. 5 is a schematic diagram of the spring tension structure of the present invention.

In the figure: the device comprises a container 1, a flywheel 2, a rotating shaft 3, an electromagnetic device 4, a rubber ring 5, a piston block 6, a magnetic block 7, suspension 8, a first conductive column 9, a bearing 10, a second conductive column 11, a spring 12, a movable block 13, a first magnetic ring 14, a pulley 15, a movable groove 16 and a second magnetic ring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a motor shaft system protection device for a high-speed flywheel system includes a container 1, the container 1 is vacuum sealed and plays a role in fixing each component, the container 1 is a vacuum container and the container 1 is made of an alloy material, the flywheel 2 is made of a carbon fiber material and the flywheel 2 is light in weight, the rotating shaft 3 is made of a steel alloy material and the outer surface friction coefficient of the rotating shaft 3 is low, the flywheel 2 is movably connected to the middle of the container 1 and plays a role in storing energy, the rotating shaft 3 is movably connected to the middle of the container 1 and fixedly connected to the flywheel 2 and plays a role in transmission and rotation, electromagnetic devices 4 are fixedly connected to the inner walls of the two sides of the container 1, the electromagnetic devices 4 play a role in transmission, the magnetism of the inner sides of the electromagnetic devices 4 is the same as that of the outer sides of the magnetic blocks 7, and the number of the electromagnetic devices 4 is four.

The rubber ring 5 is made of rubber materials, the rubber ring 5 is in a cuboid ring shape, the rubber ring 5 is fixedly connected to the middle of the container 1 and the bottom of the container close to the flywheel 2, the rubber ring 5 plays a role in increasing friction force, the middle of the rubber ring 5 is movably connected with a piston block 6, the piston block 6 plays a role in extruding turbid liquid 8, the piston block 6 is made of hard insulating materials, the piston block 6 is in a cuboid shape, the number of the magnetic blocks 7 is four, the magnetic blocks 7 are made of rubidium magnets, the middle of the piston block 6 is fixedly connected with the magnetic blocks 7, the magnetic blocks 7 play a role in transmission, the turbid liquid 8 is filled inside the rubber ring 5, the turbid liquid 8 plays a role in increasing contact area, the turbid liquid 8 generally comprises base liquid, solid particles and additives, the base liquid can be formed by physical and chemical treatment objects such as kerosene, mineral oil, vegetable oil and silicone oil, the solid particle is a fine object which is high in size from nanometer to micrometer, has a relative dielectric constant and strong polarity, the bottom of the rubber ring 5 is fixedly connected with a conductive column I9, the conductive column I9 plays a role of communicating a circuit, the conductive column I9 and the electromagnetic device 4 are both electrically connected with a movable block 13, the outer side of the conductive column II 11 is fixedly connected with an electric contact, the conductive column 11 is made of a hard insulating material, the bottom of the rotating shaft 3 is rotatably connected with a bearing 10 which is rotatably connected with the bottom of the container 1, and the bearing 10 plays a role of reducing friction force.

The inner side of the rotating shaft 3 is fixedly connected with two mutually symmetrical conductive poles two 11, the conductive poles two 11 play a role in communicating a circuit, the inner side of the rotating shaft 3 is fixedly connected with a spring 12, the outer side of the spring 12 is fixedly connected with a movable block 13, the movable block 13 plays a role in controlling the circuit to be communicated, the material of the movable block 13 is hard insulating material, the number of the movable blocks 13 is two, the magnetic ring one 14 and the magnetic ring two 17 act together to form a magnetic suspension principle, the middle part of the movable block 13 is fixedly connected with a magnetic ring one 14, the magnetic ring one 14 and the magnetic ring two 17 play a role in reducing friction, both sides of the movable block 13 are movably connected with pulleys 15, the pulleys 15 play a role in reducing friction, a movable groove 16 matched with the movable block 13 is formed in the inner wall of the rotating shaft 3, the movable groove 16 plays a role in facilitating the movement of the movable block 13, and the inner wall of the.

The working principle is as follows: at the beginning, the piston block 6 is close to the outside, at this moment, the inboard of rubber ring 5 does not contact with pivot 3, no friction, when pivot 3 broke down, when the speed reduces, piston block 6 can move to the inboard under the effect of magnetic path 7 and electromagnetism device 4, crowd turbid liquid 8 to the inboard, make rubber ring 5 inflation and contact with pivot 3, lead electrical pillar one 9 circular telegram simultaneously, make turbid liquid 8 become solid, make pivot 3 slow down and guarantee not to damage other static parts, thereby reached the effect of protection pivot 3.

After the rotating shaft 3 is decelerated, the centrifugal force applied to the movable block 13 is reduced, and the movable block 13 moves towards the inner side under the action of the spring 12, so that the movable block 13 is electrically connected with the two conductive columns 11, the electromagnetic device 4 is electrified, the turbid liquid 8 moves, and the rubber ring 5 expands, and the effect of safety control is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A motor shaft system protection device for a high-speed flywheel system comprises a container (1), and is characterized in that: the middle part of the container (1) is movably connected with a flywheel (2), the middle part of the container (1) is movably connected with a rotating shaft (3) fixedly connected with the flywheel (2), the inner walls of the two sides of the container (1) are fixedly connected with an electromagnetic device (4), the middle part of the container (1) and the bottom close to the flywheel (2) are fixedly connected with a rubber ring (5), the middle part of the rubber ring (5) is movably connected with a piston block (6), the middle part of the piston block (6) is fixedly connected with a magnetic block (7), the inner side of the rubber ring (5) is filled with turbid liquid (8), the bottom of the rubber ring (5) is fixedly connected with a conductive column I (9), and the bottom of the rotating shaft (3) is rotatably connected with a bearing (10) rotatably connected with;

the inner side of the rotating shaft (3) is fixedly connected with two mutually symmetrical conductive posts II (11), the inner side of the rotating shaft (3) is fixedly connected with a spring (12), the outer side of the spring (12) is fixedly connected with a movable block (13), the middle of the movable block (13) is fixedly connected with a magnetic ring I (14), the two sides of the movable block (13) are respectively and movably connected with a pulley (15), the inner wall of the rotating shaft (3) is provided with a movable groove (16) matched with the movable block (13), and the inner wall of the rotating shaft (3) is close to the outer side of the movable groove (16) and is fixedly connected with a magnetic ring II (17.

2. The motor train protector for a high speed flywheel system of claim 1, wherein: the container (1) is a vacuum container, the material of the container (1) is an alloy material, the material of the flywheel (2) is a carbon fiber material, and the weight of the flywheel (2) is light.

3. The motor train protector for a high speed flywheel system of claim 1, wherein: the rotating shaft (3) is made of steel alloy materials, and the friction coefficient of the outer surface of the rotating shaft (3) is low.

4. The motor train protector for a high speed flywheel system of claim 1, wherein: the magnetism of the inner side of each electromagnetic generating device (4) is the same as that of the outer side of each magnetic block (7), and the number of the electromagnetic generating devices (4) is four.

5. The motor train protector for a high speed flywheel system of claim 1, wherein: the rubber ring (5) is made of rubber materials, and the rubber ring (5) is in a cuboid annular shape.

6. The motor train protector for a high speed flywheel system of claim 1, wherein: the piston block (6) is made of hard insulating materials, the piston block (6) is cuboid, the number of the magnetic blocks (7) is four, and the magnetic blocks (7) are made of rubidium magnets.

7. The motor train protector for a high speed flywheel system of claim 1, wherein: the first conductive column (9) and the electromagnetic generating device (4) are electrically connected with the movable block (13), the outer side of the second conductive column (11) is fixedly connected with an electric contact, and the material of the second conductive column (11) is hard insulating material.

8. The motor train protector for a high speed flywheel system of claim 1, wherein: the movable blocks (13) are made of hard insulating materials, the number of the movable blocks (13) is two, and the magnetic ring I (14) and the magnetic ring II (17) act together to form a magnetic suspension principle.